G RASS TRIMMER /BRUSH C UTTEROPERATOR'S MANUAL 21OPERATION• Provide all operators of this equipment with the operator's manual andinstructions for safe operation.• Before starting the unit, equip yourself and any other personworking within the 15M (50 ft.) Safety Zone with the requiredProtective Equipment and clothing.• During operation, the complete unit, especially the drive shafthousing and the bearing housing may become very hot, too hot totouch. Avoid contact during and immediately after operation.STARTING COLD ENGINEWARNING DANGERThe cutting attachment should not rotate at idle. If attachmentrotates, readjust carburetor according to "Carburetor Adjustment"instructions in this manual or see your ECHO Dealer, otherwiseserious personal injury may result.All Models1. Stop Switch - Start/Run.Move stop switch button (A) forward away from the STOP position.2. Choke Lever - Cold Start.Move choke (B) to “Cold Start” Position.3. Primer Bulb -Prime.Pump primer bulb (C) 10 times. Fuel will be visible and flow freely inthe clear fuel tank return line.WARNING DANGERInspect starting area for hazards such as rocks, glass, debris etc.which could be contacted by the cutting attachment when starting.Keep helpers and bystanders at least 15 M (50 ft.) from startingarea, otherwise serious personal injury may result.CBASRM-2400SBSRM-2100SB CB